Unit4 Amazing Science Topic 1 Section D课件仁爱科普版九年级上册.pptx

（仁爱科普版）九年级上Topic1Whenwasitinvented?SectionD综合复习课Unit4AmazingScience

Learningobjectives1ReviewPre-reading3While-readingPost-reading5ProjectSummary7Assessment2468Homework9

1LearningobjectivesAfterlearningthelesson,wecanearnsomecorewordsandexpressionsofthetext;usethepassivevoiceofthesimplepasttensemoreproperly.talkaboutnewtechnologyGPS.developourimaginationandcreativitybydesigningourowninventions.

Itisusedforsendingsatellitesorspaceshipsintospace.What’sarocketusedfor?2Review

Wherewasitdeveloped?ItwasdevelopedinJapan.2Review

Whenwasthedigitalcameradeveloped?Itwasdevelopedinthe1970s.2Review

TheradiowasinventedbyGuglielmoMarconiin1895.Whoinventedthevideo?Whenwasthevideoinvented?2Review

GrammarPassiveVoice(Ⅱ)TheradiowasinventedbyGuglielmoMarconiin1895.Whenwasthedigitalcameradeveloped?Itwasdevelopedinthe1970s.Wherewasitdeveloped?ItwasdevelopedinJapan.Whatisarocketusedfor?Itisusedforsendingsatellitesorspaceshipsintospace.2Review

FunctionsIwishIcouldgointospacesomeday.Ihopeyourdreamwillcometrue.It’ssaidthatheinventedmorethantwothousandthingsduringhislife.Inventingisinterestingandexcitingandeveryonecanbeaninventor.2Review

explorerMybrotherdreamsofbecominganexplorerandtravelingtofar-offlandstouncoverancientsecrets.n.探险家3Pre-reading

guidingmarkThetrailwaseasytofollowbecausetherewereclearguidingmarkspaintedonthetreeseveryfewmeters.n.标记点3Pre-reading

directionIfamapshowswheremyhomeis,thenIcanusethecompasstopointmeinthedirectiontowardhome.n.方位3Pre-reading

positionn.位置Thesunisinaperfectpositionfortakingagreatphotoofthelandscape.3Pre-reading

directionGameTime3Pre-reading

explorerGameTime3Pre-reading

guidingmarkGameTime3Pre-reading

positionGameTime3Pre-reading

Itintroducesthechallengesfacedbyearlyexplorerswhenusingstars